Information file used by Steam, a gaming service that allows users to download and manage Valve games; contains plain text markups, which describe properties of a game backup; used in the process of restoring game backups.
SIS files are backed up with a .SIM file and one or more .SID data files.
File created by Sisma, a password manager for Windows; contains account information and passwords, which are encrypted using 256-bit AES encryption; used for storing confidential data that can only be retrieved with a single master password.
Sisma can store expiration dates for passwords in SIS files so that the passwords are invalidated after a period of time. The software can also assist users by creating random auto-generated passwords that are pronounceable.
NOTE: Sisma is free for personal use, but requires a purchased license for non-personal use.
Installer archive for Symbian OS, an operating system used for mobile devices, such as Palm PDAs and Nokia, Ericsson, and Motorola phones; created using Symbian's "makesis" command line tool, which is bundled with the CreateSIS program; often used for S60 phone theme installations.
NOTE: To install a SIS file on a compatible phone, use the phone's communication software to transfer the file to the phone. Then open the SIS file on the phone to run the installer.